# 宇印 vs 水经微图

The clearest difference is in-app purchases: 宇印 at none against 水经微图's 6. 宇印 also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 水经微图 sells 6 one-off in-app purchases. 宇印 asks for nothing beyond the download.

宇印 ships an update monthly, 水经微图 every 5 weeks. The most recent releases landed on September 15, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | 宇印 | 水经微图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6474643703/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 18 MB | 279 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [展联软件](https://appshunter.io/developer/1033813531) | [成都水经注信息科技有限公司](https://appshunter.io/developer/1677890114) |

## What reviewers say

### 宇印

[App page](https://appshunter.io/ios/app/id1632368229)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 水经微图

[App page](https://appshunter.io/ios/app/id6474643703)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月微图VIP会员 | $2.99 | one-time |
| 1个月微图SVIP会员 | $4.99 | one-time |
| 3个月微图VIP会员 | $4.99 | one-time |
| 3个月微图SVIP会员 | $14.99 | one-time |
| 12个月微图VIP会员 | $14.99 | one-time |
| 12个月微图SVIP会员 | $29.99 | one-time |


## Frequently asked questions

### Is 宇印 free?

宇印 is free to download, with no in-app purchases.

### Is 水经微图 free?

水经微图 is free to download, with in-app purchases available.

### Do 宇印 or 水经微图 have ads?

Neither 宇印 nor 水经微图 shows ads.

### Which is updated more often, 宇印 or 水经微图?

宇印 ships an update monthly, and 水经微图 every 5 weeks. Most recently, 宇印 was updated on September 15, 2026 and 水经微图 on September 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*